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International Standard Category: Welding, brazing and soldering in general

QJ 175-1993    General Technical Specifications for Fusion Welding of Ultrahigh Strength Steel
超高强度钢熔焊通用技术条件 ;
Category No.:25.160.01 Valid Status:valid
Issued Organization: Issued Date:1993-03-30
Implemented Date:1994-1-1 Abolished Date:
Superseded Standard.: Superseded Date:
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